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Finding the Fourth Proportional to 906,959.60, 1,360,439.40 and 233,039.60

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Solution

The fourth proportional to 906,959.60, 1,360,439.40 and 233,039.60 is: 349,559.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,959.60 : 1,360,439.40 = 233,039.60 : x
  2. Step 2: Convert to fraction form
    906,959.60/1,360,439.40 = 233,039.60/x
  3. Step 3: Cross multiply
    906,959.60x = 1,360,439.40 × 233,039.60
  4. Step 4: Simplify right side
    906,959.60x = 317,036,253,600.24
  5. Step 5: Solve for x
    x = 317,036,253,600.24/906,959.60
  6. Step 6: Final answer
    x = 349,559.40

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.